.calc{width:min(100% - 40px,1100px);margin:0 auto;padding:72px 0 48px}.calc__hero{text-align:center;margin-bottom:48px}.calc__hero h1{letter-spacing:-.02em;margin:0 0 14px;font-size:clamp(34px,4.8vw,48px);line-height:1.05}.calc__hero p{max-width:60ch;color:var(--text-secondary);margin:0 auto;font-size:17px;line-height:1.6}.calc__grid{grid-template-columns:minmax(0,1fr) minmax(320px,440px);align-items:start;gap:32px;display:grid}.calc__form{gap:28px;display:grid}.calc__fieldset{border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;padding:22px 20px 18px}.calc__legend{letter-spacing:.04em;text-transform:uppercase;color:var(--primary);padding:0 8px;font-family:"M PLUS Rounded 1c",Segoe UI,sans-serif;font-size:15px}.calc__row{grid-template-columns:minmax(0,1fr);gap:14px;margin-top:14px;display:grid}@media (width>=720px){.calc__row--2{grid-template-columns:repeat(2,minmax(0,1fr))}}.calc__field label{color:var(--text-primary);margin:0 0 6px;font-size:13px;font-weight:600;display:block}.calc__input-wrap{align-items:stretch;display:flex;position:relative}.calc__input-wrap input{border:1px solid var(--border);min-width:0;height:44px;color:var(--text-primary);font:inherit;background:#fff;border-radius:10px;flex:auto;padding:0 14px;font-size:15px;font-weight:600}.calc__input-wrap input:focus{border-color:var(--primary);outline:2px solid #4a8cff59}.calc__suffix{border:1px solid var(--border);background:var(--background-secondary);color:var(--text-secondary);border-radius:10px;align-items:center;margin-left:6px;padding:0 12px;font-size:13px;font-weight:700;display:inline-flex}.calc__hint{color:var(--text-tertiary);margin:4px 0 0;font-size:12px;line-height:1.4}.calc__results{gap:20px;display:grid;position:sticky;top:96px}.calc__results-card{border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;padding:22px}.calc__results-card--primary{color:#fff;background:#0c1117;border-color:#0c1117}.calc__results-card--primary .calc__metric-label,.calc__results-card--primary .calc__metric-note{color:#ffffffb3}.calc__results-card--primary .calc__metric-value{color:#fff}.calc__metric-label{color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;font-size:12px;font-weight:700}.calc__metric-value{letter-spacing:-.02em;color:var(--text-primary);margin:0;font-size:clamp(28px,3.4vw,36px);font-weight:800;line-height:1.05}.calc__metric-value--positive{color:var(--success)}.calc__metric-value--negative{color:var(--danger)}.calc__metric-note{color:var(--text-tertiary);margin:8px 0 0;font-size:13px;line-height:1.5}.calc__secondary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.calc__secondary-item{border:1px solid var(--border);background:var(--background-secondary);border-radius:12px;padding:14px}.calc__secondary-item dt{color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:700}.calc__secondary-item dd{color:var(--text-primary);letter-spacing:-.01em;margin:4px 0 0;font-size:18px;font-weight:800}.calc__chart{margin-top:18px}.calc__chart-title{color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:13px;font-weight:700}.calc__chart-total{letter-spacing:-.02em;color:var(--text-primary);margin:6px 0 12px;font-size:clamp(28px,3.4vw,34px);font-weight:800;line-height:1}.calc__chart-total--positive{color:#19aa5c}.calc__chart-total--negative{color:var(--danger)}.calc__chart-svg{width:100%;height:160px;display:block}.calc__chart-note{color:var(--text-tertiary);margin:6px 0 0;font-size:12px;line-height:1.5}.calc__cta{border-radius:var(--radius-card);background:var(--background-secondary);text-align:center;justify-items:center;gap:10px;max-width:1100px;margin:40px auto 0;padding:20px;display:grid}.calc__cta p{color:var(--text-secondary);margin:0;font-size:14px}.calc__share{color:var(--text-secondary);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:14px;font-size:13px;display:flex}.calc__share button{border:1px solid var(--border);height:36px;color:var(--text-primary);cursor:pointer;font:inherit;background:#fff;border-radius:999px;padding:0 14px;font-size:13px;font-weight:700}.calc__share button:hover{border-color:var(--primary);color:var(--primary)}.calc__share-feedback{min-height:18px;color:var(--success);font-weight:700}@media (width<=880px){.calc__grid{grid-template-columns:minmax(0,1fr)}.calc__results{position:static}}@media (width<=520px){.calc__secondary-grid{grid-template-columns:1fr}}